Governor
Appointed Governor of Dalmatia
Role range: 0293-0306
Historical biography archive · Updated 2026-11-03
Constantius I Biography and Timeline
Follow Constantius I through 10 dated historical records for Roman Empire.
Constantius I, historical timeline
A chronological timeline drawn from matching World History Database records.
10Distinct records
1 of 1Page
293–306Years on this page
293
Succession
Succeeds as Emperor of Rome, Emperor in the West
Role range: 0293-0306
Blockade of Carausius Fleet at Boulogne-sur-Mer
Blockades Carausius fleet at Boulogne-sur-Mer
Role range: 0293-0306
Caesar
Appointed Caesar by Diocletian, his territory includes Gaul & Britain
Role range: 0293-0306
Carausius Fleet Contained at Boulogne
Constantius attempts to contain Carausius's naval forces around Boulogne-sur-Mer before further operations against the usurper.
Role range: 0293-0306
Rebellion of Admiral Carausius
Puts down a rebellion led by Admiral Carausius who controls northern Gaul & Britain
Role range: 0293-0306
296
Invasion of Great Britain
Sails to Britain with his Praetorian Prefect Asclepiodotus
Role range: 0293-0306
305
Succession
Succeeds as co-Emperor of the Western Roman Empire, includes Spain, Gaul & Britain
Role range: 0293-0306
306
Death of Constantius I
Death of Constantius I, at Eburacum, York
Role range: 0293-0306
Rule of Great Britain
Defeats the Picts
Role range: 0293-0306
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.